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''Through information we determined that Boris Morros' cover name was "Frost" (which us the English equivalent of Moros in Russian, although the Soviets used the name as Frost). Alfred J. Stern, according to was designated under the cover name of "Louis," and a memorandum prepared by him obtained by us through investigative  efforts in February, 1945, was summarized in the  information and sent by the MGB in New York City to Moscow. While the above has not assisted materially our efforts in investigating the Mocase, it does furnish corroborative information to that furnished by our informant, Morros.''

''In addition to the foregoing, there is information from regarding a person designated by the cover name "Aida" who was working in 1944 for the United Palestine Appeal  the MGB desired to place her with the Committee of Jewish Writers and Artists in New York City where they thought she would be of greater use to them. A tentative identification of this has been made as Esther Trebach Rand, who has been implicated in the espionage network in the Moscase and she is a contact of Jack Soble. We are conducting investigation in an attempt to verify tentative identification of Rand.''



''The information reflects that the Soviets were able to make extensive use of the Communist Party, USA, both for recruitment and for checking on various individuals regarding whom the MGB wanted information. Earl Browder was known by the MGB under the cover name of "Rulevoy," and Browder was cognizant of the Soviet activity in the infiltration of various United States Government agencies. There is also some indication in information that he knew of other activity on the part of the. We are attempting, through investigation, to identify an individual designated by the cover name of "Echo" who appears, according to to have occupied a responsible position in the Communist Party and to have been used in various ways by the MGB.''